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/*
* Copyright 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#ifndef UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H
#define UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H
#include <chrono>
#include <functional>
#include <memory>
#include <string>
namespace unity {
namespace indicator {
namespace notifications {
class Engine;
/**
* Helper class for showing notifications.
*
* Populate the builder, then pass it to Engine::show().
*
* @see Engine::show(Builder)
*/
class Builder
{
public:
Builder();
~Builder();
void set_title (const std::string& title);
void set_body (const std::string& body);
void set_icon_name (const std::string& icon_name);
/* Set an interval, after which the notification will automatically
be closed. If not set, the notification server's default timeout
is used. */
void set_timeout (const std::chrono::seconds& duration);
/* Add a notification hint.
These keys may be dependent on the notification server. */
void add_hint (const std::string& name);
static constexpr char const * HINT_SNAP {"x-canonical-snap-decisions"};
static constexpr char const * HINT_NONSHAPED_ICON {"x-canonical-non-shaped-icon"};
static constexpr char const * HINT_AFFIRMATIVE_HINT {"x-canonical-private-affirmative-tint"};
static constexpr char const * HINT_REJECTION_TINT {"x-canonical-private-rejection-tint"};
/* Add an action button.
This may fail if the Engine doesn't support actions.
@see Engine::supports_actions() */
void add_action (const std::string& action, const std::string& label);
/** Sets the closed callback. This will be called exactly once. */
void set_closed_callback (std::function<void(const std::string& action)>);
private:
friend class Engine;
class Impl;
std::unique_ptr<Impl> impl;
};
/**
* Manages Notifications and the connection to the notification server.
*
* When this class is destroyed, any remaining notifications it created
* will be closed and their closed() callbacks will be invoked.
*/
class Engine
{
public:
Engine(const std::string& app_name);
~Engine();
/** @see Builder::set_action() */
bool supports_actions() const;
/** Show a notification.
@return zero on failure, or a key that can be passed to close() */
int show(const Builder& builder);
/** Close a notification.
@param key the int returned by show() */
void close(int key);
/** Close all remaining notifications. */
void close_all();
const std::string& app_name() const;
private:
class Impl;
std::unique_ptr<Impl> impl;
};
} // namespace notifications
} // namespace indicator
} // namespace unity
#endif // UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H
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